.page-contact {
  --ct-edge-a: 34px 34px 34px 10px;
  --ct-edge-b: 26px 26px 26px 8px;
  --ct-edge-c: 22px 22px 22px 8px;
  overflow-x: clip;
  padding-bottom: clamp(48px, 8vw, 104px);
}

/* ---------- 面包屑 ---------- */
.page-contact .ct-crumb {
  padding-top: clamp(20px, 3vw, 34px);
}

.page-contact .ct-crumb-nav ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .ct-crumb-nav li {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-contact .ct-crumb-nav li + li::before {
  content: "";
  width: 16px;
  height: 1px;
  background: var(--line-strong);
  display: inline-block;
}

.page-contact .ct-crumb-nav a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .ct-crumb-nav a:hover,
.page-contact .ct-crumb-nav a:focus-visible {
  color: var(--orange-ink);
  border-bottom-color: var(--orange-ink);
}

.page-contact .ct-crumb-nav [aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(20px, 3vw, 34px);
}

.page-contact .ct-hero-title {
  margin: 16px 0 0;
  max-width: 13em;
  line-height: 1.08;
}

.page-contact .ct-hero-lede {
  margin: 22px 0 0;
  max-width: 36em;
  color: var(--ink);
}

.page-contact .ct-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-head-note {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .ct-banner {
  margin: clamp(24px, 4vw, 40px) 0 clamp(20px, 3vw, 30px);
  border-radius: var(--ct-edge-a);
  overflow: hidden;
}

.page-contact .ct-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-tracks {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .acc-item.ct-track {
  --ct-bg: var(--green);
  --ct-fg: #ffffff;
  --ct-dim: rgba(255, 255, 255, 0.7);
  --ct-rule: rgba(255, 255, 255, 0.22);
  position: relative;
  border: 1px solid transparent;
  background: var(--ct-bg);
  color: var(--ct-fg);
  border-radius: var(--ct-edge-a);
  overflow: hidden;
}

.page-contact .acc-item.ct-track--2 {
  --ct-bg: var(--green-2);
}

.page-contact .acc-item.ct-track--3 {
  --ct-bg: var(--card);
  --ct-fg: var(--ink);
  --ct-dim: var(--muted);
  --ct-rule: var(--line-strong);
}

.page-contact .acc-item.ct-track--3 {
  border-color: var(--line-strong);
}

.page-contact .ct-track-h {
  margin: 0;
}

.page-contact .acc-trigger.ct-track-trigger {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "num icon"
    "title title"
    "sum sum";
  gap: 8px 10px;
  width: 100%;
  padding: clamp(20px, 3vw, 28px);
  background: none;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.page-contact .ct-track-num {
  grid-area: num;
  color: var(--orange);
  font-size: 13px;
  letter-spacing: 0.16em;
}

.page-contact .acc-item.ct-track--3 .ct-track-num {
  color: var(--orange-ink);
}

.page-contact .ct-track-title {
  grid-area: title;
  display: block;
  font-size: clamp(1.1rem, 4.6vw, 1.4rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-contact .ct-track-sum {
  grid-area: sum;
  display: block;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ct-dim);
}

.page-contact .ct-track-icon {
  grid-area: icon;
  justify-self: end;
  align-self: center;
  position: relative;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid currentColor;
  opacity: 0.6;
  flex: none;
}

.page-contact .ct-track-icon::before,
.page-contact .ct-track-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1.5px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease;
}

.page-contact .ct-track-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-contact .ct-track-trigger[aria-expanded="true"] .ct-track-icon {
  opacity: 1;
  border-color: var(--orange);
  color: var(--orange);
}

.page-contact .ct-track-trigger[aria-expanded="true"] .ct-track-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-contact .acc-panel.ct-track-panel {
  margin: 0 clamp(20px, 3vw, 28px);
  padding: 18px 0 clamp(24px, 3vw, 30px);
  border-top: 1px solid var(--ct-rule);
}

.page-contact .ct-track-facts {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-contact .ct-track-facts > div {
  display: grid;
  gap: 5px;
}

.page-contact .ct-track-facts dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ct-dim);
}

.page-contact .ct-track-facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ct-fg);
}

.page-contact .ct-track-facts a {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .acc-item.ct-track--3 .ct-track-facts a {
  color: var(--orange-ink);
}

.page-contact .ct-track-facts a:hover {
  color: var(--orange);
}

/* ---------- 合作流程 ---------- */
.page-contact .ct-flow-grid {
  display: grid;
  gap: clamp(30px, 5vw, 48px);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .ct-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-contact .ct-step {
  position: relative;
  padding: 0 0 clamp(26px, 4vw, 34px) 34px;
}

.page-contact .ct-step:last-child {
  padding-bottom: 0;
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 20px;
  bottom: 0;
  width: 1px;
  background: var(--line-strong);
}

.page-contact .ct-step:last-child::before {
  display: none;
}

.page-contact .ct-step-dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 17px;
  height: 17px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 106, 19, 0.15);
}

.page-contact .ct-step-num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-contact .ct-step-title {
  margin: 7px 0 0;
  font-size: clamp(1.05rem, 3.4vw, 1.25rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .ct-step-text {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
  max-width: 38em;
}

.page-contact .ct-flow-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .ct-flow-figure {
  border-radius: var(--ct-edge-b);
  overflow: hidden;
  margin: 0;
}

.page-contact .ct-flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-flow-note {
  border-radius: var(--ct-edge-c);
  border-left: 3px solid var(--blue);
  padding: 18px 20px;
  background: var(--blue-mist);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .ct-flow-note .aside-note-title {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--green);
}

.page-contact .ct-flow-note a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* ---------- 联系方式 ---------- */
.page-contact .ct-contact-card {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: clamp(26px, 3vw, 36px);
  padding: clamp(26px, 5vw, 54px);
  background: var(--green);
  color: #ffffff;
  border-radius: 40px 40px 40px 12px;
}

.page-contact .ct-contact-card::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -90px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 106, 19, 0.34), rgba(255, 106, 19, 0) 68%);
  pointer-events: none;
}

.page-contact .ct-eyebrow-light {
  color: rgba(255, 255, 255, 0.72);
}

.page-contact .ct-contact-title {
  margin: 12px 0 0;
  color: #ffffff;
  max-width: 18em;
}

.page-contact .ct-contact-lede {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.82);
}

.page-contact .ct-contact-list {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr);
  position: relative;
  z-index: 1;
}

.page-contact .ct-contact-item {
  border-top: 1px solid rgba(255, 255, 255, 0.24);
  padding-top: 14px;
  min-width: 0;
}

.page-contact .ct-contact-k {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.66);
}

.page-contact .ct-contact-v {
  display: block;
  margin-top: 8px;
  font-size: clamp(15px, 2.6vw, 17px);
  line-height: 1.6;
  color: #ffffff;
  overflow-wrap: anywhere;
}

.page-contact .ct-contact-v--mono {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(14px, 3.4vw, 19px);
  letter-spacing: 0.01em;
  word-break: break-all;
}

.page-contact .ct-contact-note {
  position: relative;
  z-index: 1;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.68);
}

.page-contact .ct-contact-note a {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .ct-contact-note a:hover {
  color: #ffffff;
}

/* ---------- 服务范围与备案 ---------- */
.page-contact .ct-scope {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 18px;
  padding: clamp(24px, 4vw, 38px);
  background: var(--blue-mist);
  border-radius: 30px 30px 30px 10px;
}

.page-contact .ct-scope-title {
  margin: 12px 0 0;
  font-size: clamp(1.3rem, 5vw, 1.75rem);
}

.page-contact .ct-scope-text {
  margin: 14px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .ct-scope-facts {
  display: grid;
  gap: 14px;
  margin: 0;
  align-content: start;
}

.page-contact .ct-scope-facts > div {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(11, 61, 46, 0.16);
}

.page-contact .ct-scope-facts > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .ct-scope-facts dt {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--green);
  font-weight: 600;
}

.page-contact .ct-scope-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-scope-facts dd.num {
  font-family: var(--font-mono);
  font-weight: 600;
}

/* ---------- 常见问题 ---------- */
.page-contact .ct-faq {
  display: grid;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .acc-item.ct-faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--ct-edge-c);
  overflow: hidden;
  transition: border-color 0.22s ease, box-shadow 0.22s ease;
}

.page-contact .acc-item.ct-faq-item:has(.ct-faq-trigger[aria-expanded="true"]) {
  border-color: var(--orange);
  box-shadow: 0 18px 40px -34px rgba(255, 106, 19, 0.9);
}

.page-contact .ct-faq-h {
  margin: 0;
}

.page-contact .acc-trigger.ct-faq-trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px clamp(16px, 3vw, 24px);
  background: none;
  border: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}

.page-contact .ct-faq-index {
  color: var(--orange-ink);
  font-size: 12.5px;
  letter-spacing: 0.1em;
}

.page-contact .ct-faq-q {
  display: block;
  font-size: clamp(0.98rem, 3.6vw, 1.08rem);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}

.page-contact .ct-faq-icon {
  position: relative;
  justify-self: end;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  color: var(--green);
  flex: none;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-contact .ct-faq-icon::before,
.page-contact .ct-faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 1.5px;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease;
}

.page-contact .ct-faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-contact .ct-faq-trigger[aria-expanded="true"] .ct-faq-icon {
  border-color: var(--orange);
  color: var(--orange);
}

.page-contact .ct-faq-trigger[aria-expanded="true"] .ct-faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-contact .acc-panel.ct-faq-panel {
  padding: 0 clamp(16px, 3vw, 24px) 20px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .ct-faq-panel p {
  margin: 0;
  max-width: 46em;
}

.page-contact .ct-faq-panel a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .ct-faq-panel a:hover {
  color: var(--orange-ink);
  border-bottom-color: var(--orange-ink);
}

.page-contact .ct-more {
  margin: clamp(24px, 3vw, 34px) 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 46em;
}

.page-contact .ct-more a {
  color: var(--green);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
}

.page-contact .ct-more a:hover {
  color: var(--orange-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-contact .acc-trigger.ct-track-trigger {
    grid-template-columns: auto 1fr auto;
    grid-template-areas:
      "num . icon"
      "title title title"
      "sum sum sum";
  }

  .page-contact .acc-panel.ct-faq-panel {
    padding-left: clamp(52px, 7vw, 70px);
  }
}

@media (min-width: 760px) {
  .page-contact .ct-contact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 32px;
  }

  .page-contact .ct-scope {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 32px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-tracks {
    grid-template-columns: 1.34fr 1fr 0.76fr;
    align-items: start;
  }

  .page-contact .ct-flow-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }

  .page-contact .ct-hero-lede {
    font-size: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-crumb-nav a,
  .page-contact .ct-track-icon::before,
  .page-contact .ct-track-icon::after,
  .page-contact .ct-faq-icon,
  .page-contact .ct-faq-icon::before,
  .page-contact .ct-faq-icon::after,
  .page-contact .acc-item.ct-faq-item {
    transition: none;
  }
}